Headset



FIG. 1 is a Top Front Perspective view thereof.

FIG. 2 is a Bottom Rear Perspective view thereof.

FIG. 3 is a Front view thereof.

FIG. 4 is a Rear view thereof.

FIG. 5 is a Left view thereof.

FIG. 6 is a Right view thereof.

FIG. 7 is a Top view thereof; and,

FIG. 8 is a Bottom view thereof.

The broken lines depict portions of the headset that form no part of the claimed design. 

CLAIM The ornamental design for headset, as shown and described. 